Timeline of the different photosensors developed by the AQUA group from 2003 to present.
![](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/chip-timeline.jpg)
Timeline of the different photosensors developed by the AQUA group from 2003 to present. Thinner technologies down to 90nm were used to build SPAD arrays with increasing numbers of pixels together with more complex integrated electronics.
ESSCIRC 2008 / JSSC 2009
![ESSCIRC 2008 / JSSC 2009](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/JSSC09.jpg)
ISSCC 2009
![ISSCC 2009](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/ISSCC09.jpg)
SnA 2008 / uTAS 2008
![SnA 2008 / uTAS 2008](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/SnA08.jpg)
NJP 2008
![NJP08](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/NJP08.jpg)
ISSCC 2008 / JSSC 2008
![ISSCC 2008 / JSSC 2008](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/ISSCC08.jpg)
ISSCC 2007
![ISSCC 2007](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/Jahia07.jpg)
ESSCIRC 2006
![ESSCIRC06](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/ESSCIRC06.jpg)
ISSCC 2005
![ISSCC05](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/ISSCC05.jpg)
ISSCC 2004
![ISSCC 2004](https://www.epfl.ch/labs/aqua/wp-content/uploads/2018/11/Jahia04.jpg)